Find the region of the electromagnetic spectrum

Reference no: EM131352741

1. Find the order of magnitude of the electric field needed in ionic solids to free electrons from the filled shells of ions. (Hint: Consider the binding energy of an electron and the approximate dimensions of an ion.)

2. Find the region of the electromagnetic spectrum at which crystals of Si, Ge, CdS, KC1,

Reference no: EM131352741

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